Lecture Notes on 18 Jan 2013

class Circle (object):
  # constructor
  def __init__ (self, radius = 0.0):
    self.radius = radius     # public radius
#   self.__radius = radius   # private radius

def main():
  # create an object
  circleA = Circle ()	     # using default values
  circleB = Circle (2.3)     # using user supplied values

main()